diff options
Diffstat (limited to 'arch/ia64/kernel/mca.c')
| -rw-r--r-- | arch/ia64/kernel/mca.c | 51 |
1 files changed, 30 insertions, 21 deletions
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 4b5daa3cc0fe..63b73f3d4c9f 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -1750,8 +1750,17 @@ format_mca_init_stack(void *mca_data, unsigned long offset, strncpy(p->comm, type, sizeof(p->comm)-1); } -/* Do per-CPU MCA-related initialization. */ +/* Caller prevents this from being called after init */ +static void * __init_refok mca_bootmem(void) +{ + void *p; + + p = alloc_bootmem(sizeof(struct ia64_mca_cpu) * NR_CPUS + + KERNEL_STACK_SIZE); + return (void *)ALIGN((unsigned long)p, KERNEL_STACK_SIZE); +} +/* Do per-CPU MCA-related initialization. */ void __cpuinit ia64_mca_cpu_init(void *cpu_data) { @@ -1763,11 +1772,7 @@ ia64_mca_cpu_init(void *cpu_data) int cpu; first_time = 0; - mca_data = alloc_bootmem(sizeof(struct ia64_mca_cpu) - * NR_CPUS + KERNEL_STACK_SIZE); - mca_data = (void *)(((unsigned long)mca_data + - KERNEL_STACK_SIZE - 1) & - (-KERNEL_STACK_SIZE)); + mca_data = mca_bootmem(); for (cpu = 0; cpu < NR_CPUS; cpu++) { format_mca_init_stack(mca_data, offsetof(struct ia64_mca_cpu, mca_stack), @@ -2013,22 +2018,26 @@ ia64_mca_late_init(void) if (cpe_vector >= 0) { /* If platform supports CPEI, enable the irq. */ - cpe_poll_enabled = 0; - for (irq = 0; irq < NR_IRQS; ++irq) - if (irq_to_vector(irq) == cpe_vector) { - desc = irq_desc + irq; - desc->status |= IRQ_PER_CPU; - setup_irq(irq, &mca_cpe_irqaction); - ia64_cpe_irq = irq; - } - ia64_mca_register_cpev(cpe_vector); - IA64_MCA_DEBUG("%s: CPEI/P setup and enabled.\n", __FUNCTION__); - } else { - /* If platform doesn't support CPEI, get the timer going. */ - if (cpe_poll_enabled) { - ia64_mca_cpe_poll(0UL); - IA64_MCA_DEBUG("%s: CPEP setup and enabled.\n", __FUNCTION__); + irq = local_vector_to_irq(cpe_vector); + if (irq > 0) { + cpe_poll_enabled = 0; + desc = irq_desc + irq; + desc->status |= IRQ_PER_CPU; + setup_irq(irq, &mca_cpe_irqaction); + ia64_cpe_irq = irq; + ia64_mca_register_cpev(cpe_vector); + IA64_MCA_DEBUG("%s: CPEI/P setup and enabled.\n", + __FUNCTION__); + return 0; } + printk(KERN_ERR "%s: Failed to find irq for CPE " + "interrupt handler, vector %d\n", + __FUNCTION__, cpe_vector); + } + /* If platform doesn't support CPEI, get the timer going. */ + if (cpe_poll_enabled) { + ia64_mca_cpe_poll(0UL); + IA64_MCA_DEBUG("%s: CPEP setup and enabled.\n", __FUNCTION__); } } #endif |